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Swift Beta performance: sorting arrays
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tl;dr Swift 1.0 is now as fast as C by this benchmark using the default release optimisation level [-O].
Here is an in-place quicksort in Swift Beta:
func quicksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start < 2){
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...your laptop (-Y with X-forwarding)
$ssh -Y pi@10.42.0.96
Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection.
pi@raspberrypi ~ $
Share display & keyboard of your laptop with RPi
Install vncserver on Raspberry Pi
$ sudo apt-get update
$ sudo ap...
input type=“text” vs input type=“search” in HTML5
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Right now, there isn't a huge deal between them - maybe there never will be.
However, the point is to give the browser-makers the ability to do something special with it, if they want.
Think about <input type="number"> on ce...
Can I get “&&” or “-and” to work in PowerShell?
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build
if ($?) {
run_tests
}
2019/11/27: The &&operator is now available for PowerShell 7 Preview 5+:
PS > echo "Hello!" && echo "World!"
Hello!
World!
share
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improve ...
Selecting text in an element (akin to highlighting with your mouse)
... originated from the answer of VillageIdiot below. The wonderful thread is now a dead link. Bit rot :-(
– Roland
Aug 19 at 8:56
add a comment
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Difference between Inheritance and Composition
...ance is java.util.Stack, which currently extends java.util.Vector. This is now considered a blunder. A stack "is-NOT-a" vector; you should not be allowed to insert and remove elements arbitrarily. It should've been composition instead.
Unfortunately it's too late to rectify this design mistake, sin...
The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
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Hi, I know it was a bit time ago, but I have a question. Might such action have some security problems? Does it opens sp to be used for everyone?
– Valentyn Vynogradskiy
Aug 4 '14 at 10:39
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Peak detection in a 2D array
...measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
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Avoiding “resource is out of sync with the filesystem”
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It now seems to be called "Refresh using native hooks or polling" (Indigo SR1).
– Oliver Bock
Aug 14 '12 at 1:21
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Django Rest Framework File Upload
...ood question. Reading RFC-2616 provides a subtlety I wasn't aware of until now. "The fundamental difference between the POST and PUT requests is reflected in the different meaning of the Request-URI. The URI in a POST request identifies the resource that will handle the enclosed entity. That resourc...